@article{DAN_1985_284_1_a4,
     author = {V. G. Drinfeld and V. V. Sokolov},
     title = {Equations that are related to the {Korteweg-de} {Vries} equation},
     journal = {Doklady Akademii Nauk},
     pages = {29--33},
     publisher = {mathdoc},
     volume = {284},
     number = {1},
     year = {1985},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1985_284_1_a4/}
}